Question

When sone obs are given,how to divide them in equal classes formula?

Answer 1

Answer:

Calculate the class interval using the following formula: Class interval = range ÷ number of classes. If you have 15 classes of income in the distribution of income example, work out 30 ÷ 15 = $2 billion. Often, statisticians ignore extremely high and low figures and focus on the midrange frequencies.To find the mode, or modal value, it is best to put the numbers in order. Then count how many of each number. A number that appears most often is the mode